<nav class="page-nav">
    {% for item in site.data.nav %}
    {% assign link = item.pages %}
    {% assign link_slug = link.title%}
    <h4 class="ft-title">{{item.title}}</h4>
    <ul class="ft-content mb-20">
        {% for l in link%}
        <li class="{% if l.url == page.url %}active{% endif %}"><a href="{{ l.url | relative_url}}"><span>{{l.name}}</span> {{l.title}}</a></li>
        {% endfor %}
    </ul>
    {% endfor %}
</nav>